From 3f88f350f6a56f88a42649bf539a0075d334c616 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Wed, 1 Jul 2020 21:54:29 -0400
Subject: [PATCH] fixed Silver Wyvern error (fixes #6768)

---
 Mage.Sets/src/mage/cards/s/SilverWyvern.java | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Mage.Sets/src/mage/cards/s/SilverWyvern.java b/Mage.Sets/src/mage/cards/s/SilverWyvern.java
index 58b69e9e09..1a01717a61 100644
--- a/Mage.Sets/src/mage/cards/s/SilverWyvern.java
+++ b/Mage.Sets/src/mage/cards/s/SilverWyvern.java
@@ -71,7 +71,12 @@ enum SilverWyvernPredicate implements ObjectSourcePlayerPredicate<ObjectSourcePl
 
     @Override
     public boolean apply(ObjectSourcePlayer<StackObject> input, Game game) {
-        Stream<UUID> stream = input.getObject()
+        return makeStream(input, game).anyMatch(input.getSourceId()::equals)
+                && makeStream(input, game).allMatch(input.getSourceId()::equals);
+    }
+
+    private static final Stream<UUID> makeStream(ObjectSourcePlayer<StackObject> input, Game game) {
+        return input.getObject()
                 .getStackAbility()
                 .getTargets()
                 .stream()
@@ -80,7 +85,5 @@ enum SilverWyvernPredicate implements ObjectSourcePlayerPredicate<ObjectSourcePl
                 .map(game::getPermanent)
                 .filter(Objects::nonNull)
                 .map(MageItem::getId);
-        return stream.allMatch(input.getSourceId()::equals)
-                && stream.anyMatch(input.getSourceId()::equals);
     }
 }